package com.innova_t.android.mario;


import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;

public class ItemsDbAdapter {
	
	public static final String KEY_ROWID= "_id";
	public static final String KEY_PARENT = "parent_list_id";
	public static final String KEY_ITEM = "item_id";
	public static final String KEY_POSTPONED = "postponed";
	public static final String KEY_SYNCED = "last_synced";
	public static final String KEY_DATE = "sched_date";
	public static final String KEY_DESCRIP = "descrip";
	public static final String KEY_TYPE = "item_type";
	public static final String KEY_TITLE = "item_title";

    private static final String TAG = "ItemsDbAdapter";
    private DatabaseHelper mDbHelper;
    private SQLiteDatabase mDb;
	
	 /**
     * Database creation sql statement
     */
    private static final String DATABASE_CREATE =
            "create table items (_id integer primary key autoincrement, "
                    + "parent_list_id text not null, item_id text not null, "
            		+"postponed text not null, last_synced text not null, sched_date text not null,"
                    +"item_title text not null,"
                    +"descrip text, item_type text not null);";
    
    private static final String DATABASE_NAME = "data";
    private static final String DATABASE_TABLE = "items";
    private static final int DATABASE_VERSION = 1;
    
    private final Context mCtx;
    
    private static class DatabaseHelper extends SQLiteOpenHelper {

        DatabaseHelper(Context context) {
            super(context, DATABASE_NAME, null, DATABASE_VERSION);
        }

        @Override
        public void onCreate(SQLiteDatabase db) {

            db.execSQL(DATABASE_CREATE);
        }

        @Override
        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
            Log.w(TAG, "Upgrading database from version " + oldVersion + " to "
                    + newVersion + ", which will destroy all old data");
            db.execSQL("DROP TABLE IF EXISTS lists");
            onCreate(db);
        }
    }
    /**
     * Constructor - takes the context to allow the database to be
     * opened/created
     * 
     * @param ctx the Context within which to work
     */
    public ItemsDbAdapter(Context ctx) {
        this.mCtx = ctx;
    }
    /**
     * Open the notes database. If it cannot be opened, try to create a new
     * instance of the database. If it cannot be created, throw an exception to
     * signal the failure
     * 
     * @return this (self reference, allowing this to be chained in an
     *         initialization call)
     * @throws SQLException if the database could be neither opened or created
     */
    public ItemsDbAdapter open() throws SQLException {
        mDbHelper = new DatabaseHelper(mCtx);
        mDb = mDbHelper.getWritableDatabase();
        return this;
    }
    public void close() {
        mDbHelper.close();
    }
    /**
     * Create a new note using the title and body provided. If the note is
     * successfully created return the new rowId for that note, otherwise return
     * a -1 to indicate failure.
     * 
     * @param id of the parent_list
     * @param item_id
     * @param postponed - boolean to denote if it is posponed
     * @param synched - denotes if the item has been synched already
     * @param date - rescheduled date
     * @param description - of use for sale item
     * @param type - item type
     * @param title - item title
     * @return rowId or -1 if failed
     */
	public long createItem(String parent, String item, String postponed,
			String synched, String date, String descrip, String type, String title) {
        ContentValues initialValues = new ContentValues();
        initialValues.put(KEY_PARENT, parent);
        initialValues.put(KEY_ITEM, item);
        initialValues.put(KEY_POSTPONED, postponed);
        initialValues.put(KEY_SYNCED, synched);
        initialValues.put(KEY_DATE, date);
        initialValues.put(KEY_DESCRIP, descrip);
        initialValues.put(KEY_TYPE, type);
        initialValues.put(KEY_TITLE, title);
      
        return mDb.insert(DATABASE_TABLE, null, initialValues);
    }
    /**
     * Delete the note with the given rowId
     * 
     * @param rowId id of note to delete
     * @return true if deleted, false otherwise
     */
    public boolean deleteItem(long rowId) {

        return mDb.delete(DATABASE_TABLE, KEY_ROWID + "=" + rowId, null) > 0;
    }     
    /**
     * Return a Cursor over the list of all notes in the database
     * 
     * @return Cursor over all notes
     */
    public Cursor fetchAllItems() {

        return mDb.query(DATABASE_TABLE, new String[] {KEY_ROWID, KEY_PARENT, KEY_ITEM, 
        		KEY_POSTPONED, KEY_SYNCED, KEY_DATE, 
        		KEY_DESCRIP, KEY_TYPE, KEY_TITLE}, 
        		KEY_POSTPONED + "=?", 
        		new String[]{"false"}, 
        		null, 
        		null, 
        		null);
    }
    /**
     * Return a Cursor positioned at the note that matches the given rowId
     * 
     * @param rowId id of note to retrieve
     * @return Cursor positioned to matching note, if found
     * @throws SQLException if note could not be found/retrieved
     */
    public Cursor fetchItems(long rowId) throws SQLException {

        Cursor mCursor =

                mDb.query(true, DATABASE_TABLE, new String[] {KEY_ROWID,
                		KEY_PARENT, KEY_ITEM, KEY_POSTPONED, KEY_SYNCED, 
                		KEY_DATE, KEY_DESCRIP, KEY_TYPE}, KEY_ROWID + "=" + rowId, null,
                        null, null, null, null);
        if (mCursor != null) {
            mCursor.moveToFirst();
        }
        return mCursor;

    }
    /**
     * Update the note using the details provided. The note to be updated is
     * specified using the rowId, and it is altered to use the title and body
     * values passed in
     * 
     * @param rowId id of note to update
     * @param sets each field to the corresponding to
     * @return true if the note was successfully updated, false otherwise
     */
	public boolean updateItem(long rowId, String parent, String item,
			String postponed, String synched, String date, String descrip,
			String type) {
        ContentValues args = new ContentValues();
        args.put(KEY_PARENT, parent);
        args.put(KEY_ITEM, item);
        args.put(KEY_POSTPONED, postponed);
        args.put(KEY_SYNCED, synched);
        args.put(KEY_DATE, date);
        args.put(KEY_DESCRIP, descrip);
        args.put(KEY_TYPE, type);

        return mDb.update(DATABASE_TABLE, args, KEY_ROWID + "=" + rowId, null) > 0;
    }
	
	public boolean checkoutItem(long rowId) {
        ContentValues args = new ContentValues();
        args.put(KEY_POSTPONED, "true");

        return mDb.update(DATABASE_TABLE, args, KEY_ROWID + "=" + rowId, null) > 0;
    }
}
